Ancestors of a 21st century British family

Joan de la Plaunche (James de la Plaunche9, William De La Plaunche8, William Le Plaunche7, William De Fiennes6, Ingelram De Fiennes5, Alan De Fiennes4, John De Fiennes3, James De Fiennes2, John De Fiennes1) died 1313.
She married John de Pabenham AFT 1313, son of John de Pabenham and Alianor de St Remigius.
He died 1331.

James Pabenham (Joan de la Plaunche10, James de la Plaunche9, William De La Plaunche8, William Le Plaunche7, William De Fiennes6, Ingelram De Fiennes5, Alan De Fiennes4, John De Fiennes3, James De Fiennes2, John De Fiennes1).
He married Catherine de Trailly, daughter of John de Trailly.
She died BEF 1402.

Marjorie Pabenham (James Pabenham11, Joan de la Plaunche10, James de la Plaunche9, William De La Plaunche8, William Le Plaunche7, William De Fiennes6, Ingelram De Fiennes5, Alan De Fiennes4, John De Fiennes3, James De Fiennes2, John De Fiennes1).
She married William Hugford, son of Walter de Hugford and Katherine de Pabenham.
He died 1409.

Alice Hugford (Marjorie Pabenham12, James Pabenham11, Joan de la Plaunche10, James de la Plaunche9, William De La Plaunche8, William Le Plaunche7, William De Fiennes6, Ingelram De Fiennes5, Alan De Fiennes4, John De Fiennes3, James De Fiennes2, John De Fiennes1) died 1420.
She married Thomas Lucy, son of William Lucy and Elizabeth de la Barre.
He died 28 JUL 1415.

William Lucy (Alice Hugford13, Marjorie Pabenham12, James Pabenham11, Joan de la Plaunche10, James de la Plaunche9, William De La Plaunche8, William Le Plaunche7, William De Fiennes6, Ingelram De Fiennes5, Alan De Fiennes4, John De Fiennes3, James De Fiennes2, John De Fiennes1) died 1466.
He married Eleanor Grey, daughter of Reynold De Grey and Margaret Roos.

William Lucy (William Lucy14, Alice Hugford13, Marjorie Pabenham12, James Pabenham11, Joan de la Plaunche10, James de la Plaunche9, William De La Plaunche8, William Le Plaunche7, William De Fiennes6, Ingelram De Fiennes5, Alan De Fiennes4, John De Fiennes3, James De Fiennes2, John De Fiennes1) died 3 JUL 1492.
He married Margaret Brecknock, daughter of John Brecknock and Letitia.
She died 1477.
She was buried in Thelsford Convent, Lady Chapel.